Air Quality
Excellent
No health implications.
33
PM2.5
23
PM10
39
O3
0.7
CO
11
SO2
34
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Mar
73
Good
Thu
27 Mar
72
Good
Fri
28 Mar
53
Good
Sat
29 Mar
53
Good
Sun
30 Mar
58
Good
Mon
31 Mar
53
Good
Tue
1 Apr
17
Excellent
Air quality in the last 12 months (Hongyuan)
|
2025/02
|
24
|
27
|
36
|
30
|
35
|
37
|
33
|
33
|
30
|
30
|
37
|
48
|
34
|
39
|
40
|
34
|
26
|
25
|
28
|
31
|
28
|
21
|
28
|
28
|
28
|
29
|
36
|
31
|
|||
|
2025/01
|
43
|
49
|
46
|
52
|
41
|
41
|
34
|
42
|
39
|
36
|
32
|
29
|
32
|
39
|
36
|
28
|
36
|
43
|
44
|
42
|
43
|
45
|
43
|
36
|
44
|
49
|
23
|
33
|
54
|
28
|
26
|
|
2024/12
|
46
|
42
|
39
|
34
|
36
|
32
|
37
|
24
|
23
|
28
|
33
|
32
|
27
|
32
|
36
|
38
|
38
|
37
|
36
|
33
|
39
|
32
|
36
|
42
|
45
|
45
|
52
|
47
|
43
|
39
|
36
|
|
2024/11
|
24
|
25
|
27
|
22
|
24
|
22
|
27
|
26
|
28
|
21
|
32
|
22
|
28
|
23
|
23
|
29
|
22
|
25
|
23
|
23
|
27
|
27
|
20
|
22
|
42
|
34
|
32
|
33
|
34
|
42
|
|
|
2024/10
|
23
|
27
|
25
|
27
|
29
|
30
|
27
|
26
|
23
|
20
|
20
|
20
|
23
|
25
|
23
|
21
|
21
|
25
|
17
|
24
|
30
|
30
|
30
|
30
|
23
|
21
|
27
|
30
|
28
|
24
|
21
|
|
2024/09
|
23
|
23
|
22
|
22
|
19
|
17
|
20
|
23
|
18
|
16
|
18
|
20
|
19
|
18
|
17
|
19
|
20
|
20
|
18
|
19
|
16
|
21
|
28
|
30
|
29
|
31
|
33
|
27
|
22
|
23
|
|
|
2024/08
|
25
|
28
|
22
|
25
|
24
|
25
|
23
|
20
|
33
|
38
|
26
|
30
|
26
|
30
|
24
|
27
|
23
|
24
|
26
|
28
|
27
|
25
|
26
|
25
|
27
|
21
|
24
|
25
|
23
|
21
|
27
|
|
2024/07
|
20
|
25
|
21
|
20
|
19
|
32
|
18
|
15
|
18
|
19
|
23
|
24
|
18
|
18
|
19
|
23
|
19
|
19
|
20
|
16
|
33
|
22
|
24
|
32
|
38
|
39
|
25
|
28
|
25
|
22
|
25
|
|
2024/06
|
24
|
25
|
25
|
27
|
25
|
23
|
30
|
20
|
22
|
30
|
28
|
29
|
29
|
26
|
28
|
20
|
23
|
24
|
20
|
20
|
24
|
20
|
27
|
24
|
23
|
26
|
24
|
22
|
30
|
23
|
|
|
2024/05
|
24
|
20
|
21
|
41
|
45
|
40
|
42
|
26
|
27
|
33
|
32
|
35
|
31
|
24
|
23
|
29
|
46
|
33
|
34
|
45
|
35
|
33
|
39
|
38
|
26
|
34
|
29
|
20
|
14
|
27
|
34
|
|
2024/04
|
31
|
43
|
45
|
32
|
22
|
19
|
21
|
26
|
18
|
26
|
30
|
27
|
28
|
21
|
49
|
53
|
25
|
26
|
36
|
33
|
27
|
20
|
23
|
22
|
26
|
22
|
27
|
34
|
28
|
21
|
|
|
2024/03
|
35
|
40
|
36
|
42
|
34
|
44
|
35
|
35
|
31
|
26
|
31
|
23
|
19
|
23
|
17
|
81
|
50
|
52
|
64
|
41
|
37
|
38
|
47
|
25
|
26
|
20
|
33
|
33
|
24
|
25
|
32
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution